From c1924b863ad66503edbaa3325949bce6b023b737 Mon Sep 17 00:00:00 2001
From: GitLab Bot <gitlab-bot@gitlab.com>
Date: Tue, 28 Jan 2020 21:08:56 +0000
Subject: Add latest changes from gitlab-org/gitlab@master

---
 .../20191115115043_migrate_epic_mentions_to_db.rb  | 36 -----------------
 ...1115115522_migrate_epic_notes_mentions_to_db.rb | 45 ----------------------
 db/schema.rb                                       |  1 -
 3 files changed, 82 deletions(-)
 delete mode 100644 db/post_migrate/20191115115043_migrate_epic_mentions_to_db.rb
 delete mode 100644 db/post_migrate/20191115115522_migrate_epic_notes_mentions_to_db.rb

(limited to 'db')

diff --git a/db/post_migrate/20191115115043_migrate_epic_mentions_to_db.rb b/db/post_migrate/20191115115043_migrate_epic_mentions_to_db.rb
deleted file mode 100644
index 97f2e568a7e..00000000000
--- a/db/post_migrate/20191115115043_migrate_epic_mentions_to_db.rb
+++ /dev/null
@@ -1,36 +0,0 @@
-# frozen_string_literal: true
-
-class MigrateEpicMentionsToDb < ActiveRecord::Migration[5.2]
-  DOWNTIME = false
-
-  disable_ddl_transaction!
-
-  DELAY = 2.minutes.to_i
-  BATCH_SIZE = 10000
-  MIGRATION = 'UserMentions::CreateResourceUserMention'
-
-  JOIN = "LEFT JOIN epic_user_mentions on epics.id = epic_user_mentions.epic_id"
-  QUERY_CONDITIONS = "(description like '%@%' OR title like '%@%') AND epic_user_mentions.epic_id is null"
-
-  class Epic < ActiveRecord::Base
-    include EachBatch
-
-    self.table_name = 'epics'
-  end
-
-  def up
-    return unless Gitlab.ee?
-
-    Epic
-      .joins(JOIN)
-      .where(QUERY_CONDITIONS)
-      .each_batch(of: BATCH_SIZE) do |batch, index|
-      range = batch.pluck(Arel.sql('MIN(epics.id)'), Arel.sql('MAX(epics.id)')).first
-      BackgroundMigrationWorker.perform_in(index * DELAY, MIGRATION, ['Epic', JOIN, QUERY_CONDITIONS, false, *range])
-    end
-  end
-
-  def down
-    # no-op
-  end
-end
diff --git a/db/post_migrate/20191115115522_migrate_epic_notes_mentions_to_db.rb b/db/post_migrate/20191115115522_migrate_epic_notes_mentions_to_db.rb
deleted file mode 100644
index e0b3c36b57d..00000000000
--- a/db/post_migrate/20191115115522_migrate_epic_notes_mentions_to_db.rb
+++ /dev/null
@@ -1,45 +0,0 @@
-# frozen_string_literal: true
-
-class MigrateEpicNotesMentionsToDb < ActiveRecord::Migration[5.2]
-  include Gitlab::Database::MigrationHelpers
-
-  DOWNTIME = false
-
-  disable_ddl_transaction!
-
-  DELAY = 2.minutes.to_i
-  BATCH_SIZE = 10000
-  MIGRATION = 'UserMentions::CreateResourceUserMention'
-
-  INDEX_NAME = 'epic_mentions_temp_index'
-  INDEX_CONDITION = "note LIKE '%@%'::text AND notes.noteable_type = 'Epic'"
-  QUERY_CONDITIONS = "#{INDEX_CONDITION} AND epic_user_mentions.epic_id IS NULL"
-  JOIN = 'LEFT JOIN epic_user_mentions ON notes.id = epic_user_mentions.note_id'
-
-  class Note < ActiveRecord::Base
-    include EachBatch
-
-    self.table_name = 'notes'
-  end
-
-  def up
-    return unless Gitlab.ee?
-
-    # create temporary index for notes with mentions, may take well over 1h
-    add_concurrent_index(:notes, :id, where: INDEX_CONDITION, name: INDEX_NAME)
-
-    Note
-      .joins(JOIN)
-      .where(QUERY_CONDITIONS)
-      .each_batch(of: BATCH_SIZE) do |batch, index|
-      range = batch.pluck(Arel.sql('MIN(notes.id)'), Arel.sql('MAX(notes.id)')).first
-      BackgroundMigrationWorker.perform_in(index * DELAY, MIGRATION, ['Epic', JOIN, QUERY_CONDITIONS, true, *range])
-    end
-  end
-
-  def down
-    # no-op
-    # temporary index is to be dropped in a different migration in an upcoming release:
-    # https://gitlab.com/gitlab-org/gitlab/issues/196842
-  end
-end
diff --git a/db/schema.rb b/db/schema.rb
index f48ead215bc..3248768aa0b 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -2778,7 +2778,6 @@ ActiveRecord::Schema.define(version: 2020_01_27_090233) do
     t.index ["commit_id"], name: "index_notes_on_commit_id"
     t.index ["created_at"], name: "index_notes_on_created_at"
     t.index ["discussion_id"], name: "index_notes_on_discussion_id"
-    t.index ["id"], name: "epic_mentions_temp_index", where: "((note ~~ '%@%'::text) AND ((noteable_type)::text = 'Epic'::text))"
     t.index ["line_code"], name: "index_notes_on_line_code"
     t.index ["note"], name: "index_notes_on_note_trigram", opclass: :gin_trgm_ops, using: :gin
     t.index ["noteable_id", "noteable_type"], name: "index_notes_on_noteable_id_and_noteable_type"
-- 
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